#login,#register{

    width: 300px;
    height: 200px;
    margin: 0 auto;
    margin-top: 150px;
}

.input{
    width: 300px;
    height: 50px;
    margin-bottom: 10px;

}

body{
    background-color: cadetblue;
}

h3{
    width: 300px;
    text-align: center;
}